Pikalova E.V., Stetsuk N.P., Nurmieva S.V., Abramova L.M.
BIOLOGY OF INVASIVE SPECIES AMBROSIA TRIFIDA L. IN THE CIS-URALS ^{[№ 10 ' 2013]}
Results of researches of invasive species Ambrosia trifida L. in the Cis-Urals of the Bashkortostan Republic and Orenburg region are given. Reliable distinctions of ruderal and flood-plain coenopopulations of species are shown. Further advance of Ambrosia trifida to the north is predicted.

Stecuk N.P.
ЕCOLOGICAL FEATURES OF PLATANTHERA BIFOLIA (L.) RICH. ON THE TERRITORY OF THE SOUTH PREURAL ^{[№ 6 ' 2010]}
The author provides results of research over ecological and biological specific features and population biology of butterfly orchid growing on the South Preural territory: the species is to be found only within forest-steppe zone and characterized by exact ecological and phutocoenotic connection with mixed forests, normal coenopopulations of full members form in ecotopes with crown density 0,3 — 0,4, OPP 50-60%.

^{[№ 5 (app.1) ' 2008]}

Stetsuk N.P.
GENERAL MECHANISMS OF CENOPOPULATIONS STEADINESS OF SOME ORCHIDACEOUS TYPES OF THE SOUTHERN PRIURAL ^{[№ 4 (app.1) ' 2006]}